Omar D'León (1929 – August 26, 2022) was a Nicaraguan painter and poet. D'León was born Omar D'León Lacayo y Estrada in 1929 in Managua, Nicaragua. D'León studied nine years at the Escuela Nacional de Bellas Artes in Nicaragua under its director . His early inspiration were the frescos of Pompeii, where he saw the use of cross-hatching and applied this technique to his love of the Impressionist school. D'León died in Camarillo, California on August 26, 2022, aged 93.